[Results of obstetrical analgesia with pentazocine].
D000700:Analgesics; D000773:Anesthesia, Obstetrical; D005260:Female; D006801:Humans; D010423:Pentazocine / Q000494:pharmacology*; D011247:Pregnancy
D000700:Analgesics; D010423:Pentazocine
Resultados de la analgesia obstétrica con pentazocina.